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随着国家经济的进一步发展,水利基本建设规模逐步扩大,修水库、筑堤坝、建涵闸,各种水利工程大量上马。在防洪、灌溉、发电等方面产生巨大效益。但这些项目投资大,占用良田多。实际上,河道疏浚既经济又能增加河道泄洪能力,占用耕地又少。淮河流域的一些支流上大多采用疏浚措施来增加河道的泄洪能力。大洪河河口段近期治理
With the further development of the national economy, the scale of water conservancy construction has been gradually expanded, reservoirs for reservoirs, dikes embankments, culvert gates built and various water conservancy projects being launched in large numbers. In flood control, irrigation, power generation and other aspects of great benefits. However, these projects have a large investment and take up more fertile land. In fact, river dredging is not only economical but also increases flood discharge capacity of the river, occupying less arable land. Some tributaries in the Huaihe River Basin mostly use dredging measures to increase the flood discharge capacity of the river. Dahonghe estuary recent governance